[Gravity] Add query syntax support for upserts
Review Request #664 — Created May 22, 2019 and submitted
| Information | |
|---|---|
| pprkut | |
| Lunr | |
| 21f8f21... | |
| Reviewers | |
| lunr | |
Add query syntax support for upserts
SQLite: https://www.sqlite.org/lang_UPSERT.html
MySQL: https://dev.mysql.com/doc/refman/8.0/en/insert.html
MariaDB: https://mariadb.com/kb/en/library/insert-on-duplicate-key-update/
PostgreSQL: http://www.postgresqltutorial.com/postgresql-upsert/
Unit tests, example queries
